CN101990197B - Method and system for realizing cell physical identification configuration in home base station - Google Patents
Method and system for realizing cell physical identification configuration in home base station Download PDFInfo
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- CN101990197B CN101990197B CN200910090345.XA CN200910090345A CN101990197B CN 101990197 B CN101990197 B CN 101990197B CN 200910090345 A CN200910090345 A CN 200910090345A CN 101990197 B CN101990197 B CN 101990197B
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Abstract
The invention discloses method and system for realizing cell physical identification configuration in a home base station. In the scheme of the invention, the home base station provides information of adjacent home base station cells for a home base station management system; and the home base station management system configures cell physical identifications for corresponding home base stations according to the received information of the adjacent home base station cells. According to the scheme of the invention, when the home base station management system configures the cell physical identifications for the home base station, the home base station provides the information of the adjacent home base stations to the home base station management system, thus the home base station management system distributes the cell physical identifications for the home base stations, and avoids confliction of the cell physical identifications according to macro cell information and cell information of the adjacent home base stations, thereby effectively avoiding a series of problems caused by the confliction of the cell physical identifications in the subsequent process to ensure that the system property is improved.
Description
Technical field
The present invention relates to the communications field, refer to a kind of method and system realizing the physical label configuration of Home eNodeB small area especially.
Background technology
Home eNodeB is a kind of small-sized, lower powered base station, be deployed in the indoor place such as family and office, Main Function is to provide higher service rate to user and reduce the expense used required for high rate services, making up the deficiency that existing distributed cellular radio communication system covers simultaneously.The advantage of Home eNodeB is economical, convenient, low-power output, plug and play etc.
The user of Home eNodeB is by Home eNodeB Access Network (H (e) NB AN, Home (e) NodeBAccess Network) be connected to core net (CN, Core Network), wherein, Home eNodeB Access Network is by Home eNodeB (H (e) NB, Home (e) NodeB) and femto gateway (H (e) NB GW, Home (e) NodeB Gateway) jointly form.As shown in Figure 1, the structure of HeNB system as shown in Figure 2 for the structure of HNB system.Wherein, the function that femto gateway mainly performs is: the fail safe of checking Home eNodeB, the registration of process Home eNodeB and access control, operation maintenance management is carried out to Home eNodeB, according to Carrier Requirements configuration and control Home eNodeB, be responsible for the data interaction between core net and Home eNodeB.Home base station management system (H (e) MS, H (e) NB Management System) mainly realizes the configuration management function of Home eNodeB, such as, and examining of positional information; For Home eNodeB carries out parameter configuration, be mainly concerned with the parameter configuration of core network level, the parameter configuration of wireless access network (RAN, Radio Access Network) side and the parameter configuration of radio frequency (RF).
The parameter of home base station management system configuration comprises PSC or PCI.PSC (Primary ScramblingCode) i.e. main scrambler, by being used for for cell allocation PSC identifying different districts.When the quantity of community is more than 512, can be a community duplicate allocation main scrambler, as long as it is enough large to ensure to use the distance between the community of identical PSC, Received signal strength is used in the cell coverage area of identical PSC lower than threshold level in another one.Physical Cell Identifier (PCI, Physical Cell Identity) be the physical label of community, act on identical with PSC, be used to distinguish different districts equally, only use in Long Term Evolution (LTE) system, and PSC uses in the umts system.
Because Home eNodeB belongs to user class terminal equipment, therefore, in some geographic areas, likely dense distribution a large amount of Home eNodeB.The major issue that Home eNodeB dense distribution is brought is exactly the demand that limited PSC/PCI resource cannot meet the Home eNodeB of One's name is legion at all.This is because PSC has 512, and PCI also only has 504 especially; Particularly after introducing closed user group (CSG, Closed SubscriberGroup) concept, divide again to PSC/PCI, making can be just less for the quantity of the PSC/PCI of Home eNodeB.If increased or expansion PSC/PCI, then can be larger to the change of physical layer, and cannot compatible existing network, therefore such implementation is worthless, is also unpractical.
When not introducing Home eNodeB, the distribution of macrocell (Macro community) can not be intensive as the deployment of Home eNodeB, obtain rational PCI/PSC by the rational network planning to configure, therefore, the inside, a certain geographic area that is configured in of the PCI/PSC of macrocell there will not be repetition, namely there is not the problem of PCI/PSC conflict in macrocell.And in family base station system, inevitably there is the situation of PCI/PSC conflict, due to the conflict of PCI/PSC, the series of problems in handoff procedure can be caused, as the determination etc. of Target cell.
How to avoid the conflict of PCI/PSC in family base station system, be a problem urgently to be resolved hurrily as far as possible.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system realizing the physical label configuration of Home eNodeB small area, effectively avoids the physical cell identity conflict of family base station system.
For achieving the above object, technical scheme of the present invention is achieved in that
Realize a method for Home eNodeB small area physical label configuration, the method comprises:
Home eNodeB provides neighboring home base station cell information to home base station management system;
Home base station management system is described Home eNodeB allocating cell physical label according to the neighboring home base station cell information received.
Described neighboring home base station cell information at least comprises: the frequency point information of community and physical cell identity.
The method also comprises: Home eNodeB provides macro cell message to home base station management system;
The neighboring home base station cell information that described basis receives is Home eNodeB allocating cell physical label, comprise: when physical cell identity resource is sufficient, distribute the physical cell identity different from the physical cell identity that the community of macrocell and neighboring home base station uses; Or, when the frequency that the community of Home eNodeB and macrocell and neighboring home base station uses is different, distribute the physical cell identity that the physical cell identity that uses with the community of macrocell and neighboring home base station is identical or different.
Described provide neighboring home base station cell information to home base station management system before, comprise further: after Home eNodeB powers on, scanning neighboring BS information around, determines neighboring home base station cell information.
Described Home eNodeB is HNB; Described home base station management system is HMS; Described physical cell identity is main scrambler PSC.
Described Home eNodeB is HeNB; Described home base station management system is HeMS; Described physical cell identity is Physical Cell Identifier PCI.
Realize a system for Home eNodeB small area physical label configuration, comprising:
Home eNodeB, for providing neighboring home base station cell information to home base station management system;
Home base station management system, the neighboring home base station cell information received for basis is described Home eNodeB allocating cell physical label.
Described neighboring home base station cell information at least comprises: the frequency point information of community and physical cell identity.
Described Home eNodeB is also for providing macro cell message to home base station management system;
The neighboring home base station cell information that described home base station management system is used for according to receiving is Home eNodeB allocating cell physical label, be specially: when physical cell identity resource is sufficient, distribute the physical cell identity different from the physical cell identity that the community of macrocell and neighboring home base station uses; Or, when the frequency that the community of Home eNodeB and macrocell and neighboring home base station uses is different, distribute the physical cell identity that the physical cell identity that uses with the community of macrocell and neighboring home base station is identical or different.
Described Home eNodeB is HNB; Described home base station management system is HMS; Described physical cell identity is main scrambler PSC; Or,
Described Home eNodeB is HeNB; Described home base station management system is HeMS; Described physical cell identity is Physical Cell Identifier PCI.
According to scheme provided by the invention, when home base station management system is Home eNodeB allocating cell physical label, Home eNodeB provides neighboring home base station cell information to home base station management system, therefore, home base station management system is made to be that Home eNodeB distributes physical cell identity, can according to the cell information of macro cell message and neighboring home base station, avoid physical cell identity conflict as far as possible, thus effectively avoid the follow-up series of problems caused because of physical cell identity conflict, systematic function is got a promotion.
Accompanying drawing explanation
Fig. 1 is HNB system architecture schematic diagram;
Fig. 2 is HeNB system architecture schematic diagram;
Fig. 3 is the parameter configuration schematic flow sheet of HNB in the present invention;
Fig. 4 is the parameter configuration schematic flow sheet of HeNB in the present invention;
Fig. 5 is the system configuration schematic diagram realizing physical cell identity configuration in the present invention.
Embodiment
In the present invention, Home eNodeB provides neighboring home base station cell information to home base station management system; Home base station management system is corresponding Home eNodeB allocating cell physical label according to the neighboring home base station cell information received.Home eNodeB not only provides neighboring home base station cell information to home base station management system, also provides macro cell message.
Neighboring home base station cell information at least comprises: the frequency point information of community and physical cell identity, can further include cell ID (ID).
Described Home eNodeB is HNB; Described home base station management system is HMS; Described physical cell identity is PSC.Described Home eNodeB is HeNB; Described home base station management system is HeMS; Described physical cell identity is PCI.
Below by two specific embodiments, specific implementation of the present invention is made a more detailed description.
In HNB system, after HNB powers on, scanning neighboring BS information around, the adjacent zone information reporting in (Provisioning) process of preparation, self scanned to HMS, in this neighboring BS information, not only comprise macro cell message, and comprising the cell information of other contiguous HNB of this HNB, HMS is that HNB configures rational parameter according to this neighboring BS information after receiving the neighboring BS information that HNB provides, this parameter comprises PSC, concrete processing procedure as shown in Figure 3:
After step 301:HNB powers on, utilize its downlink reception mechanism, scanning neighboring BS information around, this neighboring BS information not only comprises macro cell message, but also comprises the cell information of adjacent HNB around.The cell information of adjacent HNB at least should comprise the PSC of community use and the frequency point information of community, comprises community ID further.
Secure connection is set up between step 302:HNB and security gateway.
The neighboring BS information that the positional information of self and self scan is supplied to HMS by step 303:HNB.Wherein, the positional information of HNB comprises geographical location information and broadband location information; Not only comprise macro cell message in neighboring BS information, but also comprise the cell information of adjacent HNB around.
The neighboring BS information that step 304:HMS provides according to HNB the cell information of other HNB that can store further combined with HMS self be that corresponding HNB distributes rational PSC, and configure other parameters.When HMS is HNB distribution PSC, under the condition that PSC resource allows, to avoid with the adjacent area of this HNB as far as possible, namely avoid the community of macrocell and adjacent HNB to use identical PSC, that is, when PSC resource abundance, there is macrocell and the untapped PSC of adjacent HNB as current, distribute the PSC different with the PSC that the community of macrocell and adjacent HNB uses, thus reduce the probability that generation PSC conflicts as far as possible same the geographic area in.In addition, when the frequency that the community of HNB and macrocell and neighboring home base station uses is different, distribute the PSC that the PSC that uses with the community of macrocell and adjacent HNB is identical or different.
The parameter of configuration is returned to HNB by HMS, the parameter of configuration comprises RF information and system broadcast information, wherein, the PSC that the community being included as PSC, the i.e. HNB that HNB distributes in RF information uses, because this PSC is that HMS distributes according to the cell information of macro cell message and adjacent HNB, thus can avoid to greatest extent clashing with the PSC of other communities.
By the process of above each step, complete the Parameter Configuration process of HNB, i.e. Provisioning process.
In HeNB system, after HeNB powers on, scanning neighboring BS information around, the adjacent zone information reporting in Provisioning process, self scanned to HeMS, in this neighboring BS information, not only comprise macro cell message, and comprising the cell information of other contiguous HeNB of this HeNB, HeMS is that HeNB configures rational parameter according to this neighboring BS information after receiving the neighboring BS information that HeNB provides, this parameter comprises PCI, concrete processing procedure as shown in Figure 4:
After step 401:HeNB powers on, utilize its downlink reception mechanism, scanning neighboring BS information around, this neighboring BS information not only comprises macro cell message, but also comprises the cell information of adjacent HeNB around.The cell information of adjacent HeNB at least should comprise the PCI of community and the frequency point information of community; Comprise community ID further.
Secure connection is set up between step 402:HeNB and security gateway.
The neighboring BS information that the positional information of self and self scan is supplied to HeMS by step 403:HeNB.Wherein, the positional information of HeNB comprises geographical location information and broadband location information; Not only comprise macro cell message in neighboring BS information, but also comprise the cell information of adjacent HeNB around.
The neighboring BS information that step 404:HeMS provides according to HeNB the cell information of other HeNB that can store further combined with HeMS self be that corresponding HeNB distributes rational PCI, and configure other parameters.When HeMS is HeNB distribution PCI, under the condition that PCI resource allows, to avoid with the adjacent area of this HeNB as far as possible, namely avoid the community of macrocell and adjacent HeNB to use identical PCI, that is, when PCI resource abundance, there is macrocell and the untapped PCI of adjacent HNB as current, distribute the PCI different with the PCI that the community of macrocell and adjacent HeNB uses, thus reduce the probability that generation PCI conflicts as far as possible same the geographic area in.In addition, when the frequency that the community of HeNB and macrocell and neighboring home base station uses is different, distribute the PCI that the PCI that uses with the community of macrocell and adjacent HeNB is identical or different.
The parameter of configuration is returned to HeNB by HeMS, the parameter of configuration comprises RF information and system broadcast information, wherein, the PCI that the community being included as PCI, the i.e. HeNB that HeNB distributes in RF information uses, because this PCI is that HeMS distributes according to the cell information of macro cell message and adjacent HeNB, thus can avoid to greatest extent clashing with the PCI of other communities.
By the process of above each step, complete the Parameter Configuration process of HeNB, i.e. Provisioning process.
Fig. 5 is the system configuration schematic diagram realizing physical cell identity configuration in the present invention, as shown in Figure 5, this system comprises: Home eNodeB and home base station management system, and wherein, Home eNodeB is used for providing neighboring home base station cell information to home base station management system; The neighboring home base station cell information that home base station management system is used for according to receiving is corresponding Home eNodeB allocating cell physical label.Home eNodeB not only provides neighboring home base station cell information to home base station management system, also provides macro cell message.
Home eNodeB is also for providing macro cell message to home base station management system; The neighboring home base station cell information that home base station management system is used for according to receiving is Home eNodeB allocating cell physical label, be specially: when physical cell identity resource is sufficient, distribute the physical cell identity different from the physical cell identity that the community of macrocell and neighboring home base station uses; Or when the frequency that the community of Home eNodeB and macrocell and neighboring home base station uses is different, distribute the physical cell identity that the physical cell identity that uses with the community of macrocell and neighboring home base station is identical or different.
Described Home eNodeB is HNB; Described home base station management system is HMS; Described physical cell identity is PSC.
Described Home eNodeB is HeNB; Described home base station management system is HeMS; Described physical cell identity is PCI.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (6)
1. realize a method for Home eNodeB small area physical label configuration, it is characterized in that, the method comprises:
Home eNodeB provides neighboring home base station cell information to home base station management system;
Home base station management system is described Home eNodeB allocating cell physical label according to the neighboring home base station cell information received;
Wherein, described neighboring home base station cell information comprises: the frequency point information of community and physical cell identity; Described physical cell identity comprises: main scrambler PSC or Physical Cell Identifier PCI;
The method also comprises: Home eNodeB provides macro cell message to home base station management system;
The neighboring home base station cell information that described basis receives is Home eNodeB allocating cell physical label, comprise: when physical cell identity resource is sufficient, distribute the physical cell identity different from the physical cell identity that the community of macrocell and neighboring home base station uses; Or, when the frequency that the community of Home eNodeB and macrocell and neighboring home base station uses is different, distribute the physical cell identity that the physical cell identity that uses with the community of macrocell and neighboring home base station is identical or different.
2. method according to claim 1, it is characterized in that, described provide neighboring home base station cell information to home base station management system before, comprise further: after Home eNodeB powers on, scanning neighboring BS information around, determines neighboring home base station cell information.
3. method according to claim 1, is characterized in that,
Described Home eNodeB is HNB;
Described home base station management system is HMS;
Described physical cell identity is main scrambler PSC.
4. method according to claim 1, is characterized in that,
Described Home eNodeB is HeNB;
Described home base station management system is HeMS;
Described physical cell identity is Physical Cell Identifier PCI.
5. realize a system for Home eNodeB small area physical label configuration, it is characterized in that, comprising:
Home eNodeB, for providing neighboring home base station cell information to home base station management system;
Home base station management system, the neighboring home base station cell information received for basis is described Home eNodeB allocating cell physical label;
Wherein, described neighboring home base station cell information comprises: the frequency point information of community and physical cell identity; Described physical cell identity comprises: main scrambler PSC or Physical Cell Identifier PCI;
Wherein, described Home eNodeB is also for providing macro cell message to home base station management system;
The neighboring home base station cell information that described home base station management system is used for according to receiving is Home eNodeB allocating cell physical label, be specially: when physical cell identity resource is sufficient, distribute the physical cell identity different from the physical cell identity that the community of macrocell and neighboring home base station uses; Or, when the frequency that the community of Home eNodeB and macrocell and neighboring home base station uses is different, distribute the physical cell identity that the physical cell identity that uses with the community of macrocell and neighboring home base station is identical or different.
6. system according to claim 5, is characterized in that,
Described Home eNodeB is HNB; Described home base station management system is HMS; Described physical cell identity is main scrambler PSC; Or,
Described Home eNodeB is HeNB; Described home base station management system is HeMS; Described physical cell identity is Physical Cell Identifier PCI.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102595416B (en) * | 2012-02-16 | 2015-04-08 | 北京邮电大学 | PCI (Physical Cell Identity) self-adaptive distribution method in cellular communication system |
| CN103582037B (en) * | 2012-07-23 | 2018-04-27 | 中兴通讯股份有限公司 | A kind of method and system for obtaining adjacent base station configuration information |
| EP3324670A3 (en) | 2013-02-15 | 2018-07-04 | Mitsubishi Electric Corporation | Communication system |
| CN103945397A (en) * | 2014-04-02 | 2014-07-23 | 京信通信系统（中国）有限公司 | Method, device and system for scale networking adjacent region configuration |
| CN105323788B (en) * | 2014-08-01 | 2018-11-16 | 中国移动通信集团公司 | The physical area PCI of micro-base station determines method, apparatus, micro-base station and macro base station |
| CN105516995A (en) * | 2014-09-25 | 2016-04-20 | 中兴通讯股份有限公司 | HeNB (Home e-NodeB) and automatic configuration method thereof |
| CN104320799B (en) * | 2014-10-16 | 2017-12-19 | 京信通信系统（中国）有限公司 | A kind of cell parameter configuration method and device |
| CN105744540B (en) * | 2014-12-10 | 2019-09-17 | 电信科学技术研究院 | A kind of service strategy configuration method and the network equipment based on network aware |
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